JSOFA.jauAtcc13(double rc,
double dc,
double pr,
double pd,
double px,
double rv,
double date1,
double date2)
Transform a star's ICRS catalog entry (epoch J2000.0) into ICRS
astrometric place.
JSOFA.jauAtccq(double rc,
double dc,
double pr,
double pd,
double px,
double rv,
JSOFA.Astrom astrom)
Quick transformation of a star's ICRS catalog entry (epoch J2000.0)
into ICRS astrometric place, given precomputed star-independent
astrometry parameters.
JSOFA.jauAtciq(double rc,
double dc,
double pr,
double pd,
double px,
double rv,
JSOFA.Astrom astrom)
Quick ICRS, epoch J2000.0, to CIRS transformation, given precomputed
star-independent astrometry parameters.
Quick ICRS, epoch J2000.0, to CIRS transformation, given precomputed
star-independent astrometry parameters plus a list of light-
deflecting bodies.
Quick ICRS to CIRS transformation, given precomputed star-
independent astrometry parameters, and assuming zero parallax and
proper motion.
Quick CIRS RA,Dec to ICRS astrometric place, given the star-
independent astrometry parameters.
Quick CIRS to ICRS astrometric place transformation, given the star-
independent astrometry parameters plus a list of light-deflecting
bodies.
JSOFA.jauAtoc13(String type,
double ob1,
double ob2,
double utc1,
double utc2,
double dut1,
double elong,
double phi,
double hm,
double xp,
double yp,
double phpa,
double tc,
double rh,
double wl)
Observed place at a groundbased site to to ICRS astrometric RA,Dec.
JSOFA.jauAtoi13(String type,
double ob1,
double ob2,
double utc1,
double utc2,
double dut1,
double elong,
double phi,
double hm,
double xp,
double yp,
double phpa,
double tc,
double rh,
double wl)
Quick observed place to CIRS, given the star-independent astrometry
parameters.
P-vector to spherical coordinates.
JSOFA.jauEceq06(double date1,
double date2,
double dl,
double db)
Transformation from ecliptic coordinates (mean equinox and ecliptic
of date) to ICRS RA,Dec, using the IAU 2006 precession model.
JSOFA.jauEqec06(double date1,
double date2,
double dr,
double dd)
Transformation from ICRS equatorial coordinates to ecliptic
coordinates (mean equinox and ecliptic of date) using IAU 2006
precession model.
JSOFA.jauFk45z(double r1950,
double d1950,
double bepoch)
Convert a B1950.0 FK4 star position to J2000.0 FK5, assuming zero
proper motion in the FK5 system.
JSOFA.jauFk5hz(double r5,
double d5,
double date1,
double date2)
Transform an FK5 (J2000.0) star position into the system of the
Hipparcos catalogue, assuming zero Hipparcos proper motion.
Transformation from Galactic Coordinates to ICRS.
Transformation from ICRS to Galactic Coordinates.
JSOFA.jauLteceq(double epj,
double dl,
double db)
Transformation from ecliptic coordinates (mean equinox and ecliptic
of date) to ICRS RA,Dec, using a long-term precession model.
JSOFA.jauLteqec(double epj,
double dr,
double dd)
Transformation from ICRS equatorial coordinates to ecliptic
coordinates (mean equinox and ecliptic of date) using a long-term
precession model.
JSOFA.jauTpsts(double xi,
double eta,
double a0,
double b0)
In the tangent plane projection, given the star's rectangular
coordinates and the spherical coordinates of the tangent point,
solve for the spherical coordinates of the star.